1. Around 2.5 million years ago, we have evidence of the first:

O Reptiles

Humans

Mammals

Bacteria

If the process of meiosis shown here proceeds normally, how many chromosomes will cells a, b, c, and d have? a 2 each b 6 each c 8 each d 4 each

How can two items of the same shape and size have different densities?

Based on the data collected the highest rising bread would use yeast warm water and the addition

Nvm I got the answer so its ok

Joy and shawn have a good marriage, but they disagree about food. they buy two different loaves of bread each week, one white and one wheat, so that they each have the bread they like best.

In levels of orginization within an organism what is the order of these words; element, compound, organelle, cell, tissue, organ organ system

Why is fresh water a limited resource? Groundwater is too difficult to access Most water covering Earth is salt water. The supply of water on Earth decreases over time. Too much water is wasted on irrigation

Which sentences describe the differences between photosynthesis and cellular respiration

Compared to most other substances, a great deal of heat is needed to raise the temperature of water by a given amount. This is because water A. is an acid. B. readily forms solutions. C. acts as a buffer. D. has a high specific heat capacity.

Question 1 What is used to classify the layers of the atmosphere? A Differences among temperature altitude, and weather B Differences among altitude, wind speed, and weather C Differences among temperature, air pressure, and density D How far away